Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 1,106.6	$ 936.9	$ 1,038.1
Cost of goods sold	701.0	603.8	643.0
Gross profit	405.6	333.1	395.1
Selling, general and administrative expenses	237.4	163.2	174.3
(Gain) loss related to change in fair value of contingent consideration	(4.1)	0.1	0.0
(Gain) related to sale of fixed and intangible assets	0.0	(21.0)	0.0
Equity (earnings) from joint venture	(87.7)	(64.0)	(96.6)
Operating income	260.0	254.8	317.4
Interest expense	22.9	24.1	38.4
Other non-operating (income) expense, net	(5.6)	357.4	(20.4)
Earnings (loss) from continuing operations before income taxes	242.7	(126.7)	299.4
Income tax expense (benefit)	57.4	(42.6)	57.1
Earnings (loss) from continuing operations	185.3	(84.1)	242.3
Net (loss) from discontinued operations, net of tax expense of $-, $- and $12.0	0.0	0.0	(1.8)
(Loss) from disposal of discontinued businesses, net of tax expense (benefit) of $1.7, ($1.4) and ($5.2)	(2.1)	(15.0)	(26.0)
Net (loss) from discontinued operations	(2.1)	(15.0)	(27.8)
Net earnings (loss)	183.2	(99.1)	214.5
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	0.0	(7.1)	84.1
Derivative gain (loss), net	9.9	(10.5)	(13.9)
Pension and postretirement adjustments	(10.2)	284.4	13.2
Total other comprehensive (loss) income	(0.3)	266.8	83.4
Total comprehensive income	$ 182.9	$ 167.7	$ 297.9
Earnings (loss) per share of common stock, continuing operations:
Basic	$ 3.88	$ (1.76)	$ 4.97
Diluted	3.86	(1.76)	4.88
(Loss) per share of common stock, discontinued operations:
Basic	(0.04)	(0.31)	(0.57)
Diluted	(0.04)	(0.31)	(0.56)
Net earnings (loss) per share of common stock:
Basic	3.84	(2.07)	4.40
Diluted	$ 3.82	$ (2.07)	$ 4.32
Average number of common shares outstanding:
Basic	47.6	47.9	48.7
Diluted	47.9	47.9	49.5